Method and apparatus for restoring digitized video pictures gene

Details Method and apparatus for restoring digitized video pictures gene Method and apparatus for restoring digitized video pictures gene

1994-11-14

1998-02-10

Razavi, Michael T.

Image analysis

Applications

3-d or stereo imaging analysis

382275, G06K 900, G06K 936, G06K 954

Patent

active

057177821

ABSTRACT:
A method for correcting a height map produced by an optical height profiler while scanning a target surface. Regions of bad data are identified and erroneous height values are replaced with provisional height values based selected from neighboring valid height values. Each provisional height value is also assigned a position index corresponding to its proximity to the boundary of the region. Starting from the interior of the region, the technique then replaces each provisional height value with a corrected height value calculated by interpolation of valid height values as a function of distance from the boundary as represented by the position indices. The resulting corrected height map is suitable for on-line visual display.

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Shih et al., "A Mathematical Morphology Approach to Euclidean Distance Transformation," IEEE Transactions on Image Processing, vol. 1, No. 2, pp. 197-204, Apr. 1992.

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